Trail Running Calendar East of England 2026-2027

A timed running challenge on 21 June 2026 at Abberton Reservoir with repeated laps of a loop just over 5 km. Entry includes a medal and proceeds benefit Essex Wildlife Trust.

A trail half marathon at the National Trust Dunstable Downs on 21 June 2026, covering 21.2 km with roughly 450 m of climb. The course is waymarked and supported with aid stations at 6.7 km and 13.7 km.

Circular cross-country event around Baldock with 26 and 18 mile routes across grassland, fields and woodland. Checkpoints, refreshments and a finish certificate are provided, and route files are published before the event.

A single lap fully off road 10K trail through Panshanger Park on 21 June 2026, passing a 500 year old oak, the Queen’s Wood and the Mimram River. The event includes chip timing, a sustainable finisher’s medal and a Family Fun Run.

Pretty Muddy 5k at Trinity Park, Ipswich is a grass-based obstacle course of climbing, crawling and sliding. Waves start every 15 minutes and participants must be 13 or older; refreshments, toilets and parking are available onsite.

A self navigation trail of about 6 miles near Thaxted on 24 June 2026 with Race HQ at the Farmhouse Inn. Written route descriptions are issued on the day and entry includes a pub voucher.

Three consecutive days of racing at Colworth Club add up to a full marathon through a 5 mile run, an 8.1 mile trail race and a half marathon. On site facilities include parking, refreshments and free camping with booking.

A relaxed 5 km trail run through Wyken Vineyards and surrounding countryside, followed by wood-fired flatbreads, locally roasted coffee and music in the vineyard courtyard. Limited spaces and free overflow parking with marshalls on site.

Trail event at Hyde Hall Farm offering distances from 5k to ultra with lap formats, on-site parking, a lap aid station and bespoke finisher medals. The event is cupless so participants need a cup or bottle.

A 24 hour running challenge at Cherry Orchard Country Park where solo runners or teams of up to 12 complete laps of an 8 km countryside route. Charity and standard entry options are available and funds support work to end homelessness in Es..

A June 28th trail event at 3 Brewers Brewery in Hertfordshire offering 5 km and 10 km multi terrain laps, mostly off road, with a medal, pint cup and free drink for finishers plus live jazz and charity fundraising.

Silsoe Stride on 28 June 2026 features scenic 5K and 10K races plus children’s runs at Wrest Park. The event is organised by village volunteers and community groups with profits shared among local beneficiaries.

A 5 km off road run and walk at Therfield Heath in Royston on 28 June 2026, held over two laps to raise funds for Teenage Cancer Trust. Entry is limited and fees are listed for adults and children.

A 5.3 miles off-road trail race around Ashridge Woods on 28 June 2026, organised by Aldbury Sports Club with National Trust permission. Water and finish refreshments are provided and entry fees differ for affiliated and non affiliated runne..

A guided 10 km trail run at High Lodge in Thetford Forest on 28 June 2026, led at a conversational pace with groups set by ability; entry costs £12.50 and parking is charged at £4.

A self-navigation trail event on 28 June 2026 at Chigborough Farm offering 10K and 5K routes, with entry fees that include a cafe voucher and all profits donated to Caroline Coastal FM and Farleigh Hospice.

The High Lodge Guided Trail Runs will take place in Brandon on Sunday 28 June 2026. You can run between 10 and 16 kilometers.

Follow the 82 mile Essex Way trail from Epping tube station to the historic high lighthouse in Harwich. This ultra marathon features mixed terrain and 3,469 feet of elevation with full GPS tracking and five checkpoints.

A guided 10 km trail run from Taverham along parts of the Mariotts Way through fields and woodland, led at a conversational pace with ability-based groups and a qualified run leader.

A volunteer-run running event in Willingham, Cambridgeshire with chip timing on flat country roads, footpaths and bridleways. Distances include 10 km and 6.5 km and children's races follow the main events.